In the picture to the right iron filings have been sprinkled around a bar magnet. The iron filings outline the magnetic field lines, making it visible. Magnetic fields all have a pair of "poles", from which "lines of force" or magnetic field lines appear to originate.
C , I think , Hope this helps
Answer:
B (Both countries have an economy based mainly on manufacturing.)
Explanation:
Nigeria is known as the giant of Africa and South Africa is the 2nd biggest.
The both countries are known for it's manufacturing, cultural and sports. There is one form of rivalry or the other going on between Nigeria and South Africa. In economic, sports or culture, Nigeria and South Africa always compete for that.
Answer:
D. lineage can trace back to the descendants of many generations
I would say B. because if the wealthy person dies the will verifies who all the money would go to.